US20020047044A1 - Security procedure for controlling the transfer of value units in a chip card gaming system - Google Patents
Security procedure for controlling the transfer of value units in a chip card gaming system Download PDFInfo
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- US20020047044A1 US20020047044A1 US09/202,424 US20242499A US2002047044A1 US 20020047044 A1 US20020047044 A1 US 20020047044A1 US 20242499 A US20242499 A US 20242499A US 2002047044 A1 US2002047044 A1 US 2002047044A1
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- 238000012546 transfer Methods 0.000 title claims description 9
- 208000001613 Gambling Diseases 0.000 claims abstract description 141
- 238000012545 processing Methods 0.000 claims description 58
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- 238000010276 construction Methods 0.000 description 2
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
- G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
- G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
- G06Q20/363—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes with the personal data of a user
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/409—Device specific authentication in transaction processing
- G06Q20/4093—Monitoring of device authentication
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G07F17/3244—Payment aspects of a gaming system, e.g. payment schemes, setting payout ratio, bonus or consolation prizes
- G07F17/3251—Payment aspects of a gaming system, e.g. payment schemes, setting payout ratio, bonus or consolation prizes involving media of variable value, e.g. programmable cards, programmable tokens
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/0866—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by active credit-cards adapted therefor
Definitions
- the present invention relates to the field of slot machines such as jackpot machines and other individual gambling machines of the type found in casinos.
- the gambling cards are of the chip card or contactless card type.
- the gambling cards can be dedicated to this use similarly to telephone cards. They are advantageously bank cards so that sums of money can be transferred directly to the slot machine.
- the present application relates to a method and system for monitoring the transfer of value units between a plurality of gambling cards and a plurality of gambling machines, each machine being connected to a gambling card data transcriber able to credit and/or debit value units in the memory of a gambling card.
- Document EP-A-0 360 613 describes for example a system for transferring data between a chip card and a plurality of machines with means for transmitting and storing machine data in the chip card. Such a system makes it possible to list gambling operations with a collecting card that stores a list of gambling operations for accounting or tax purposes.
- One goal of the invention is to enable gambling machines that operate with chip cards in unprotected sites to be developed.
- Another goal of the invention is to reinforce the integrity of gambling machines operating with chip cards.
- the invention provides for the gambling machines to be networked with a central processing unit.
- the central processing unit has a database storing information corresponding to that stored in gambling cards such as information on the gambler, card identification data, and data on the stored value balance in the card.
- the card data are checked against the database of the central processing unit, the integrity of such a gambling machine system operating with chip cards or contactless cards can be ensured.
- the invention thus provides a secured method for monitoring transfers of value units between a plurality of gambling cards and a plurality of gambling machines, each machine being connected to a transcriber of data onto a gambling card, the machines being connected in a secured network with a central processing unit by means of link means, the method having the following steps, during a gambling operation:
- the invention advantageously provides security means enabling the data messages exchanged over the network to be authenticated, namely enabling such messages to be signed.
- the invention also provides a secured system for monitoring transfers of value units between a plurality of gambling cards and a plurality of gambling machines, each machine being provided with a transcriber able to debit value units of a gambling card, the machines being connected in a secured network with a central processing unit by link means, whereby a gambling card stores data representing gambling operations conducted, particularly data identifying the card and data representing the balance of the value units debited and/or credited during previous gambling operations, characterized in that the central processing unit has a database that in parallel stores the data representing gambling operations carried out, particularly card identification data and data representing the balances of the value units debited and/or credited during previous gambling operations, and in that the monitoring means check that, for an identified card, the database data and the card data correspond, particularly that the data representing the value unit balance correspond, in order to verify the integrity of the system.
- a security module for authenticating data messages can advantageously be provided in the network, in a transcriber, a machine, the central unit, or even network link means.
- FIG. 1 shows a secured system for monitoring the transfer of value units between a plurality of gambling cards and a plurality of gambling machines able to implement the invention
- FIG. 2 is a flowchart of data exchange and data verification according to the invention.
- FIG. 3 represents calculation of the authentication certificate by security means according to the invention.
- FIG. 1 shows a secured system of gambling machines as proposed by the invention, having one or more gambling machines 200 , 200 ′, 200 ′′, and 200 ′′′,
- Such a gambling machine 200 similar to the slot machines found in casinos, has an electronic coin meter 210 that will hereinafter be called data transcriber, which transcribes data onto gambling card CJ.
- the card data transcriber 210 is connected to the electronics of machine 200 , for example by a serial connector of the RS 485 type.
- the machine and reader have input-output interfaces designed for this link.
- the machine is equipped with a display 211 informing the gamblers at all times of the balance they have available for playing and the bets placed and winnings made.
- Machine 200 in the figures can of course be an electronic coin meter machine exclusively, but also a double coin meter machine, namely a machine that not only has this electronic coin meter but also a coin (or token) meter symbolized by reference 201 .
- the gambling cards CJ shown in the form of chip cards have an electrically erasable read-only memory, for example an EEPROM memory.
- It may be for example a chip card with a microprocessor, a program memory, and a RAM type working memory.
- chip cards can also be unit-loading cards of the rechargeable type. These cards have for this purpose an electrically programmable memory of the abacus type.
- the gambling cards can be contactless cards, where the card has an integrated circuit memory and a microprocessor and an electronic circuit for transmitting data without electrical contact.
- a transponder such as that described in French Patent Application FR 96 16061 can be used.
- machines 200 , 200 ′, 200 ′′, and 200 ′′′ are networked together with a central processing unit designated 1 in FIG. 1.
- the machines in the network are connected to central processing unit 1 by link means 123 .
- machines 200 , 200 ′, 200 ′′, and 200 ′′′ can also be connected with each other by the network.
- Link means 123 in the case of a local area network like that of a casino are constituted by a local link.
- the local link is for example a serial link of the RS 485 type, a parallel bus connector, an optical fiber, a radio link, or any other transmission means.
- the link means may be transmission channels specific to the network, or telephone lines.
- the network has modulator-demodulators of the modem type 120 , 120 ′, 120 ′′, and 120 ′′′ interfaced with link means 123 and a gambling machine 200 , 200 ′, 200 ′′, and 200 ′′′, respectively.
- Central processing unit 1 is for example a central computer also connected to link means 123 by a modem 101 in order to form part of the network.
- FIG. 1 shows link means 123 in the schematic form of an annular line to which gambling machines 200 , 200 ′, 200 ′′, and 200 ′′′ are connected.
- the machines are hence connected with each other and with central processing unit 1 .
- the link may however assume any equivalent form.
- Modem 101 of processing means 1 may advantageously have a switchboard with several telephone lines.
- the use of telephone links has the advantage of extending the network to the homes of the gamblers.
- the gambling machines are preferably personal computers 300 and 300 ′ of the PC type.
- the machines can thus each be connected to a transcriber that transcribes data onto a gambling card 310 or 310 ′ preferably having a modem 130 or 130 ′ for example of the Gemtel type sold by the applicant.
- the network used may in particular be an open communication network of the Internet type.
- the system and network also have at least one loading terminal shown in FIG. 1 in the form of a cash register 100 .
- Loading terminal 100 in this case has a transcriber 110 .
- Terminal 110 and transcriber 110 are connected to the network through a modem 111 connected to link means 123 .
- the chip cards dedicated to gambling are non-reloadable cards like telephone cards, and are produced and loaded only by a central organization.
- database BD of central processing means 1 has initial balances S 1 , S 2 , . . . , Sn of values credited in cards CJ 1 , CJ 2 , . . . , CJn before they are placed in circulation.
- the cards are reloaded with value units by loading terminals.
- such a terminal may be the terminal of a casino cashier.
- a multitude of loading terminals may be disposed at news-agents or other businesses accessible to the gamblers.
- the reloading terminal can then communicate to central processing unit 1 , by means of network link means 123 , the data read into the card to be reloaded, particularly its identification number Id and its balance S of value units.
- the identification number Id of gambling card CJ 1 can be checked directly by reloading terminal 100 or by its data transcriber 110 or alternatively by central processing unit 1 .
- the invention thus calls for a step preceding the gambling operations which is to enter, in the database of central processing unit 1 and in the memory of a gambling card CJ 1 , data representing an initial balance value when the operation preceding the loading of card CJ 1 is carried out.
- the reloading terminal or its transcriber T has secret identification keys Kt 1 , Kt 2 , . . . , Ktn of all the gambling cards CJ 1 , CJ 2 , . . . , CJn in circulation.
- These secret keys are preferably stored in a security module MS 1 which has a memory and calculating unit; the stored data are not accessible from the outside.
- Terminal 100 checks that the identification Id 1 of chip card CJ 1 is correct using the corresponding key Kt 1 , applying an authentication or encryption algorithm according to known methods.
- this card authentication is carried out by the central processing unit 1 , the identification numbers Id 1 , Id 2 , . . . , Idn and corresponding authentication keys Kt 1 ,Kt 2 , . . . , Ktn being stored in database BD of the central processing unit or preferably in a security module MS 0 similar to MS 1 .
- This second alterative has the advantage of preventing the secret authentication keys from being disseminated.
- the invention also provides for an exchange of data between the terminal and the central processing unit of data stored in the database of central processing unit 1 .
- this data exchange is accompanied by an authentication certificate.
- a security protocol for transmitting such certificates will be described below. This protocol advantageously prevents a spurious machine in the network from falsely crediting the database.
- Terminal T can thus communicate balance S of the values previously debited or credited on gambling card CJ 1 to the central processing unit 1 . After authenticating identification number Id 1 of the card or the certificate accompanying the balance data, one can thus check that the balance S entered in the memory of gambling card CJ 1 indeed corresponds to the balance S 1 stored in database BD.
- the central processing unit 1 sends an approval signal so that card CJ 1 can be reloaded by the terminal and transcriber T. If the check is negative, an alert procedure or signal can be put into effect at central processing unit 1 or at the loading terminal. In a network of casino slot machines for example, the cashier can be alerted by the loading terminal to find out the reason for such a malfunction. In a more extensive network, card CJ 1 can be swallowed by transcriber T of the terminal so that the malfunction can be investigated.
- the database or memory of gambling cards CJ may also contain information on the gambler, for example his age, gambling habits for gambler loyalty applications, awarding free games, etc.
- the transcriber that transcribes data onto card 210 of the gambling machine reads the identification number in the memory of gambling card CJ 1 .
- this identification number Id is preferably authenticated by a security module MS 1 provided in transcriber T.
- the Id number may be communicated to central processing unit 1 in order to authenticate card CJ 1 with identification key Kt 1 contained in security module MS 0 .
- This identification stage is preferably carried out once for several gambling operations with the same card on the same machine, with the machine or terminal possibly memorizing this identification number Id for the following operations.
- central processing unit 1 can thus store the list of operations carried out in the form of a list of successive credits or debits recorded on card CJ 1 .
- This list of operations Op 101 , Op 102 , . . . , Op 10 x is for example recorded in database BD under identification number Id 1 of card CJ 1 during use.
- Entry of balance S 1 or operations Op 101 , Op 102 , . . . Op 10 x in database BD of central processing unit 1 then serves to establish an accounting statement of the operations or a tax verification. Such a history of operations also enables the extent of the fraud to be measured if a forged card is checked.
- Two types of check can be used: a check of identification number Id or a check of the card balance S.
- identification number Id 1 of card CJ 1 is run with an identification key Kt 1 as seen above.
- identification number Id is communicated to central unit 1 via the link means of the network.
- Central unit 1 stores identification keys Kt 1 , Kt 2 , . . . , Ktn of cards CJ 1 , CJ 2 , . . . , CJn in circulation, in its database BD or preferably in a security module MS 0 .
- Security module MS 0 thus performs the identification calculations internally.
- the check can be made on the value unit balance in card CJ 1 .
- transcriber T reads from the card the data on the value unit balance S and sends the data to central processing unit 1 through network link means 123 .
- Balance S of card CJ 1 is then read by comparison to balance S 1 indicated in database BD under identification number Id 1 . If the two balances S and S 1 match, the gambling operation is authorized by central processing unit 1 .
- the check can be made of the certification of the data exchanged from gambling card CJ 1 .
- Standard data encryption algorithms of the DES algorithm type can certify the digital data exchanged between card CJ 1 , transcriber T, the gambling machine, and central processing unit 1 . Encryption and decryption of the certificate accompanying the transmitted data is possible and consistent only if a secret key is used.
- K′ DES ( K, Rnd)
- FIG. 3 shows one example of application of an algorithm DES. It illustrates the means by which the network is secured, particularly the securing of data exchanges effected via the network link means.
- the gambling card has at least one secret identification key Kt in an inaccessible memory zone.
- the card microprocessor generates a pseudo-random number Rnd 1 . From these two numbers Rnd 1 and Kt, the DES algorithm used by the microprocessor calculates a session key Kt′.
- This session key Kt′ can serve as an authentication certificate and be sent with random number Rnd 1 and the data to be certified.
- the DES algorithm is applied a second time.
- the gambling card, the element sending the message to be certified asks the target element, central unit 1 for example, to supply it with a second random number Rnd 2 .
- the DES algorithm is once more applied to session key Kt′ and second random number Rnd 2 by the card microprocessor to calculate a certificate C.
- the data message is then sent to the target element accompanied by certificate C and random number Rnd 1 both calculated by the card.
- the keys used in particular secret identification key Kt, are not exchanged.
- Central processing unit 1 has secret identification key Kt in its secured module MS 0 .
- Secured module MS 0 can thus calculate session key Kt 1 from identification key Kt and random number Rnd 1 .
- Secured module MS 0 still has the random number Rnd 2 it previously supplied to the gambling card. From these two numbers, Rnd 2 and Kt′, security module MS 0 once again calculates a certificate C′, applying the DES algorithm a second time.
- the central unit can authenticate the data message received.
- session key Kt′ and certificate C are recalculated with each desired message certification. This prevents a pirate machine in the network from gaining access to the database or card memory by copying a previous certificate.
- central unit 1 After making one or more of these checks, central unit 1 sends an approval signal which can be encrypted or encoded. With such an approval signal, the gambler can use his gambling card CJ 1 , make bets, effect gambling operations, and reload his card with his winnings.
- the card has an identification function, whereby its Id number enables central unit 1 or the gambling machine to recognize it and even recognize the gambler in certain client loyalty applications.
- the card has a purse function, as the value unit balance is stored in the card and essentially known by the card, and the balance can be copied into central unit 1 for checking purposes.
- the purse function is no longer provided by the card but by the central processing unit itself.
- the card has no data on the gambler's balance but only identification data such as identification number Id, several authentication keys Kta, Ktb, and Ktc, and possibly information on the gambler.
- the value unit balance data S 1 are then stored only in database Bd of central processing unit 1 . This value unit account is located for example in the database under identification number Id 1 .
- identification number Id of card CJ 1 is sent to central processing unit 1 through link means log 123 of the network.
- the identification number Id can be sent directly by gambling machine 200 or its transcriber 210 if it has been memorized by the machine or its transcriber. Identification number Id can also be read from the card and sent to central processing unit 1 by transcriber 210 with each gambling operation.
- central processing unit 1 After identification number Id has been checked, central processing unit 1 consults database Bd and sends the balance S 1 of the value units allocated to card CJ 1 , to gambling machine 200 .
- the data on the value unit balance are transferred with a certificate according to the data exchange securing protocol presented above.
- One advantage of this third embodiment is that the sums bet are stored in central processing unit 1 , which prevents any value from being memorized by the gambling cards.
- data representing the balance of the debited and/or credited values are stored in the database of the central processing means to prevent fraud from a chip card.
- the check in this third embodiment, is simply a check of the identification number Id of gambling card CJ 1 with an identification key Kt 1 read in database BD of central processing unit 1 to check the integrity of the card,
- the integrity pf gambling cards used in gambling machines can advantageously be monitored.
- the invention advantageously enables the integrity of a system formed by the gambling cards, the gambling machine network, and the database of the central processing unit to be checked, with the integrity of one of the three system elements, namely a gambling card or the network or the database, being checked with the aid of the other two elements.
- the invention thus provides a system able to implement the method according to the invention.
- a system of this type has a plurality of gambling machines, each machine being provided with a transcriber able to debit value units of a gambling card, the machines being networked with a central processing unit by link means.
- the data representing gambling operations carried out with a chip card in a gambling machine are stored in the gambling card memory and, in parallel, in a database provided in the central processing unit.
- the stored data are in particular card identification data and data on the balance or successive balances of value units debited and/or credited with the card.
- Monitoring means such as a computer program authenticating the card identification number or comparing balance values stored in the card with those in the database or certifying the data exchanged are provided to check the integrity of the system.
- a security module calculates an authentication certificate from secret data stored in the memory of the module and the monitoring means check that the authentication certificate calculated by the security module corresponds to the authentication certificate calculated by the gambling card or by another security module.
- Such security modules MS 0 , MS 1 can be disposed in gambling cards CJ 1 , CJ 2 , . . . , CJn, or in transcribers 10 , 110 , 210 , 210 ′, 210 ′′, 210 ′′′, 310 , gambling machines 200 , 200 ′, 200 ′′, and 200 ′′′, of central processing unit 1 , or even in the link means 123 of the network.
- Each transcriber 10 , 210 , 210 ′, 210 ′′, 210 ′′′ or each interface 11 , 120 , 120 ′, 120 ′′, 120 ′′′ has for example a security module so that data exchanges over link means 123 are accompanied by the authentication certificate.
- transmitting transcriber 10 adds to its message its certificate which is authenticated by the target transcriber 210 before being transmitted to the corresponding machine 200 .
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/396,605 US6851607B2 (en) | 1997-04-11 | 2003-03-21 | Secured method for monitoring the transfer of value units in a chip card gambling system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9704733A FR2762118B1 (fr) | 1997-04-11 | 1997-04-11 | Procedure securisee de controle de transfert d'unites de valeur dans un systeme de jeu a carte a puce |
FR97/04733 | 1997-04-11 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/000582 A-371-Of-International WO1998047113A1 (fr) | 1997-04-11 | 1998-03-20 | Procedure securisee de controle de transfert d'unites de valeur dans un systeme de jeu a carte a puce |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/396,605 Continuation US6851607B2 (en) | 1997-04-11 | 2003-03-21 | Secured method for monitoring the transfer of value units in a chip card gambling system |
Publications (1)
Publication Number | Publication Date |
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US20020047044A1 true US20020047044A1 (en) | 2002-04-25 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US09/202,424 Abandoned US20020047044A1 (en) | 1997-04-11 | 1998-03-20 | Security procedure for controlling the transfer of value units in a chip card gaming system |
US10/396,605 Expired - Fee Related US6851607B2 (en) | 1997-04-11 | 2003-03-21 | Secured method for monitoring the transfer of value units in a chip card gambling system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US10/396,605 Expired - Fee Related US6851607B2 (en) | 1997-04-11 | 2003-03-21 | Secured method for monitoring the transfer of value units in a chip card gambling system |
Country Status (13)
Country | Link |
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US (2) | US20020047044A1 (ko) |
EP (1) | EP0981808B1 (ko) |
JP (1) | JP2001506031A (ko) |
KR (1) | KR20000016729A (ko) |
CN (1) | CN1222916C (ko) |
AT (1) | ATE205004T1 (ko) |
AU (1) | AU724023B2 (ko) |
BR (1) | BR9806199A (ko) |
CA (1) | CA2258149A1 (ko) |
DE (1) | DE69801500T2 (ko) |
ES (1) | ES2163863T3 (ko) |
FR (1) | FR2762118B1 (ko) |
WO (1) | WO1998047113A1 (ko) |
Cited By (24)
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US20030032473A1 (en) * | 2001-08-07 | 2003-02-13 | International Game Technology | Game oriented promotional card |
US20030054881A1 (en) * | 2001-08-03 | 2003-03-20 | Igt | Player tracking communication mechanisms in a gaming machine |
US20030092491A1 (en) * | 2001-11-09 | 2003-05-15 | Aruze Corporation | Game medium management system for managing game media |
US20030162593A1 (en) * | 2002-02-27 | 2003-08-28 | Griswold Chauncey W. | Contactless card reading in a gaming machine |
US20040082385A1 (en) * | 2001-08-03 | 2004-04-29 | Igt | Wireless input/output and peripheral devices on a gaming machine |
US20040110557A1 (en) * | 2001-08-07 | 2004-06-10 | Igt | Game oriented promotional card |
US20040147311A1 (en) * | 2002-12-24 | 2004-07-29 | Aruze Corp. | Gaming machine and gaming system |
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Also Published As
Publication number | Publication date |
---|---|
AU7050198A (en) | 1998-11-11 |
US20040035926A1 (en) | 2004-02-26 |
AU724023B2 (en) | 2000-09-07 |
FR2762118B1 (fr) | 1999-07-16 |
CN1222916C (zh) | 2005-10-12 |
WO1998047113A1 (fr) | 1998-10-22 |
EP0981808B1 (fr) | 2001-08-29 |
FR2762118A1 (fr) | 1998-10-16 |
CA2258149A1 (fr) | 1998-10-22 |
DE69801500D1 (de) | 2001-10-04 |
ATE205004T1 (de) | 2001-09-15 |
KR20000016729A (ko) | 2000-03-25 |
JP2001506031A (ja) | 2001-05-08 |
EP0981808A1 (fr) | 2000-03-01 |
BR9806199A (pt) | 2001-09-18 |
CN1228181A (zh) | 1999-09-08 |
DE69801500T2 (de) | 2002-04-11 |
US6851607B2 (en) | 2005-02-08 |
ES2163863T3 (es) | 2002-02-01 |
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